212022301 has 2 divisors, whose sum is σ = 212022302. Its totient is φ = 212022300.

The previous prime is 212022281. The next prime is 212022323. The reversal of 212022301 is 103220212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187717401 + 24304900 = 13701^2 + 4930^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022301 - 2⁵ = 212022269 is a prime.

It is a super-2 number, since 2×212022301² = 89906912242669202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212020301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011150 + 106011151.

It is an arithmetic number, because the mean of its divisors is an integer number (106011151).

Almost surely, 2^212022301 is an apocalyptic number.

It is an amenable number.

212022301 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022301 is an equidigital number, since it uses as much as digits as its factorization.

212022301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212022301 is about 14560.9855779065. The cubic root of 212022301 is about 596.2941030421.

Adding to 212022301 its reverse (103220212), we get a palindrome (315242513).

The spelling of 212022301 in words is "two hundred twelve million, twenty-two thousand, three hundred one".